The Waveguide Assembly, cataloged under National Stock Number 5985-01-566-9029, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Frontgrade Technologies Inc. (CAGE 66544); Lockheed Martin Corporation Div Rms (CAGE 02769) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-566-9029 |
| Primary Part Number | PL20511500 ITEM 105 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1064883 | Frontgrade Technologies Inc. (USA) |
| PL20511500 ITEM 105 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
NSN 5985-01-566-9029 is a Waveguide Assembly, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-566-9029 has 2 manufacturer part numbers on file: 1064883 (Frontgrade Technologies Inc.), PL20511500 ITEM 105 (Lockheed Martin Corporation Div Rms).
Key specifications for PL20511500 ITEM 105: Part Name Assigned by Controlling Agency: COUPLER,WAVEGUIDE,20DB DB; End Item Identification: TRANSMITTER ASSEMBLY SSCWI. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-01-566-9029 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.